I think to keep a health diet is the first important thing.我认为保持一个健康的饮食是最重要的事情.
If you want to have a good health body you need to eat more vegetables,fruit,bean and some other green food.如果你想有一个健康的身体你需要多吃蔬菜,水果,豆类和其他一些绿色食品.
You can do some morning exercise,play table tennis,play baskeball and so on.你可以做一些晨练,打乒乓球,打篮球等.
To sleep well and have a good mood are very necessary.睡好,有一个好心情是十分必要的.
You'll need to persevere if you want to have a healthy body.你需要坚持,如果你想有一个健康的身体.
楼主可以删些不需要的词.